2025211220 has 24 divisors (see below), whose sum is σ = 4274540424. Its totient is φ = 805970816.

The previous prime is 2025211219. The next prime is 2025211261. The reversal of 2025211220 is 221125202.

It can be written as a sum of positive squares in 4 ways, for example, as 894368836 + 1130842384 = 29906^2 + 33628^2 .

It is a super-2 number, since 2×2025211220² = 8202960971227776800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253067 + ... + 260946.

It is an arithmetic number, because the mean of its divisors is an integer number (178105851).

Almost surely, 2^2025211220 is an apocalyptic number.

2025211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025211220 is an abundant number, since it is smaller than the sum of its proper divisors (2249329204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2025211220 is a wasteful number, since it uses less digits than its factorization.

2025211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514219 (or 514217 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2025211220 is about 45002.3468276933. The cubic root of 2025211220 is about 1265.1929840400.

Adding to 2025211220 its reverse (221125202), we get a palindrome (2246336422).

The spelling of 2025211220 in words is "two billion, twenty-five million, two hundred eleven thousand, two hundred twenty".